公开(公告)号：US09331831B2

公开(公告)日：2016-05-03

申请号：US14383052

申请日：2013-03-15

Applicant: LG ELECTRONICS INC.

Inventor： Jihyun Lee ,  Hakseong Kim ,  Hanbyul Seo

IPC: H04L5/00 ,  H04L1/00 ,  H04L1/18

CPC classification number: H04L5/0048 ,  H04L1/0031 ,  H04L1/1861 ,  H04L5/0005 ,  H04L5/0057

Abstract: Disclosed is a method for receiving downlink signals in a wireless communication system, the method comprising: receiving downlink signal from a base station and detecting the downlink signal, wherein the detecting the downlink signal includes, if the number of resource elements (REs) to which channel state information-reference signal (CSI-RS) in a downlink subframe is mapped is smaller than the number of the enhanced control channel elements (eCCEs) for an enhanced physical downlink control channel (EPDCCH) in the downlink subframe, assuming REs, the number of which corresponds to a difference value between the number of eCCEs and the number of REs, which are included in the EPDCCH, as a zero-power CSI-RS, wherein the REs assumed as the zero-power CSI-RS is included in an eCCE that does not comprise the REs to which the CSI-RS is mapped.

Abstract translation: 公开了一种在无线通信系统中接收下行链路信号的方法，所述方法包括：从基站接收下行链路信号并检测下行链路信号，其中检测下行链路信号包括如果其中的资源元素（RE）的数量 映射下行链路子帧中的信道状态信息参考信号（CSI-RS）小于下行链路子帧中的增强物理下行链路控制信道（EPDCCH）的增强控制信道要素（eCCE）的数量，假定为RE， 其数量对应于包括在EPDCCH中的eCCE数量和RE数量之间的差值作为零功率CSI-RS，其中假定为零功率CSI-RS的RE被包括在 不包括CSI-RS所映射的RE的eCCE。

公开(公告)号：US09325555B2

公开(公告)日：2016-04-26

申请号：US14380558

申请日：2013-02-25

Applicant: LG ELECTRONICS INC.

Inventor： Hakseong Kim ,  Hanbyul Seo

IPC: H04L7/00 ,  H04L27/26 ,  H04W56/00 ,  H04J11/00

CPC classification number: H04L27/2662 ,  H04J11/00 ,  H04W56/00 ,  H04W56/002

Abstract: Provided are a method and device for tracking synchronization between apparatuses in a wireless communication system. A receiving apparatus receives, from a transmitting apparatus, a tracking signal in a subframe, and the received tracking signal is used in order to estimate the timing offset between the transmitting apparatus and the receiving apparatus. The tracking signal is received in the last OFDM symbol of the subframe, and the last OFDM symbol contains a sequence that is repeated N (N>1) times.

Abstract translation: 提供了一种用于跟踪无线通信系统中的设备之间的同步的方法和设备。 接收装置从发送装置接收子帧中的跟踪信号，并且使用接收到的跟踪信号来估计发送装置与接收装置之间的定时偏移。 在子帧的最后OFDM符号中接收跟踪信号，最后的OFDM符号包含重复N（N> 1）次的序列。

公开(公告)号：US09319955B2

公开(公告)日：2016-04-19

申请号：US14346021

申请日：2012-09-21

Applicant: LG ELECTRONICS INC.

Inventor： Hakseong Kim ,  Hanbyul Seo

IPC: H04Q7/00 ,  H04W36/22 ,  H04W36/00 ,  H04W76/04 ,  H04W24/02

CPC classification number: H04W36/22 ,  H04W24/02 ,  H04W36/0016 ,  H04W36/0066 ,  H04W76/23

Abstract: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for device-to-device (D2D) communicating. The method for D2D communicating in the wireless communication system, according to one embodiment of the present invention, comprises the steps of: a first terminal communicating with a second terminal from a first cell through a D2D link; the first terminal obtaining handover-related information of a second cell; and transferring the handover-related information of the second cell that is obtained to the second terminal.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统，更具体地说，涉及一种设备到设备（D2D）通信的方法和装置。 根据本发明的一个实施例，在无线通信系统中进行D2D通信的方法包括以下步骤：通过D2D链路从第一小区与第二终端通信的第一终端; 所述第一终端获取第二小区的切换相关信息; 以及将获得的第二小区的与切换有关的信息传送到第二终端。

公开(公告)号：US09313817B2

公开(公告)日：2016-04-12

申请号：US14647694

申请日：2013-11-28

Applicant: LG ELECTRONICS INC.

Inventor： Myoungseob Kim ,  Seungmin Lee ,  Hakseong Kim ,  Hanbyul Seo

IPC: H04W4/00 ,  H04W76/02 ,  H04W60/00 ,  H04W4/02 ,  H04W8/00 ,  H04W8/02 ,  H04W60/04 ,  H04W68/00

CPC classification number: H04W76/14 ,  H04W4/021 ,  H04W8/005 ,  H04W8/02 ,  H04W60/00 ,  H04W60/04 ,  H04W68/005 ,  H04W88/04

Abstract: The present invention relates to a wireless communication system. In particular, provided are a method for managing, by a terminal, mobility in a wireless communication system, and an apparatus therefore, including the steps of: receiving a plurality of TA lists, wherein the plurality of TA lists include dedicated TA lists and shared TA lists; and when TA information of a current cell matches with the shared TA lists, selectively performing a TAU process according to a communication mode, wherein when the communication mode is a non-D2D, the TAU process is performed on an MME corresponding to the TA information about the current cell, and when the communication mode is D2D, the TAU process is skipped.

Abstract translation: 无线通信系统技术领域本发明涉及一种无线通信系统。 特别地，提供一种用于由终端管理无线通信系统中的移动性的方法，以及因此包括以下步骤的装置：接收多个TA列表，其中所述多个TA列表包括专用TA列表和共享 TA列表 并且当当前小区的TA信息与共享TA列表匹配时，根据通信模式有选择地执行TAU处理，其中当通信模式是非D2D时，在对应于TA信息的MME上执行TAU处理 关于当前小区，并且当通信模式为D2D时，跳过TAU进程。

公开(公告)号：US20150296509A1

公开(公告)日：2015-10-15

申请号：US14647047

申请日：2013-11-22

Applicant: LG ELECTRONICS INC.

Inventor： Suckchel Yang ,  Hakseong Kim ,  Joonkui Ahn ,  Dongyoun Seo

IPC: H04W72/04 ,  H04W76/04 ,  H04L5/14 ,  H04L5/00

CPC classification number: H04W72/0446 ,  H04B7/26 ,  H04L1/16 ,  H04L5/0035 ,  H04L5/0053 ,  H04L5/0055 ,  H04L5/1438 ,  H04L27/26 ,  H04W72/042 ,  H04W76/28

Abstract: The present invention relates to a method for transmitting a signal by a terminal in a wireless communication system in which a plurality of cells including first and second cells are combined, and to an apparatus therefor. The method includes the steps of: receiving a first physical downlink shared channel (PDSCH) through a first cell and a second PDSCH through a second cell in a specific time period; and transmitting a control signal providing instructions for an acknowledgement (ACK)/negative acknowledgment (NACK)response to the first PDSCH and an ACK/NACK response to the second PDSCH, wherein when the first PDSCH includes a random access response, the ACK/NACK response to the first PDSCH or the first cell is determined as a discontinuous transmission (DTX) or NACK.

Abstract translation: 本发明涉及一种在无线通信系统中由终端发送信号的方法，其中多个小区包括第一和第二小区被组合，并且涉及一种装置。 该方法包括以下步骤：通过第一小区和第二PDSCH在特定时间段内通过第二小区接收第一物理下行链路共享信道（PDSCH）; 以及发送提供用于对所述第一PDSCH的确认（ACK）/否定确认（NACK）响应的指令的控制信号和对所述第二PDSCH的ACK / NACK响应，其中当所述第一PDSCH包括随机接入响应时，所述ACK / NACK 将对第一PDSCH或第一小区的响应确定为不连续传输（DTX）或NACK。

公开(公告)号：US20150249974A1

公开(公告)日：2015-09-03

申请号：US14434378

申请日：2013-10-17

Applicant: LG ELECTRONICS INC.

Inventor： Jihyun Lee ,  Seungmin Lee ,  Hakseong Kim ,  Hanbyul Seo ,  Bonghoe Kim

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04J11/00 ,  H04L5/0053 ,  H04W72/0446

Abstract: The method for receiving a downlink signal by a user device in a wireless communication system according to one embodiment of the present disclosure comprises: a step of receiving control information relating to semi persistent scheduling via an upper layer signaling or a downlink control channel; and a step of decoding a semi persistent scheduled downlink data channel based on the control information relating to semi persistent scheduling. The method may comprise: a step of using, if the downlink control information receive via the downlink control channel has a first downlink control information (DCI) format, a predetermined first parameter group from among the candidate parameter groups received via the upper layer signaling so as to decode the downlink data channel; and a step of using, if the downlink control information received via the downlink control channel has a second DCI format, a second parameter group indicated by the downlink control information from among the candidate parameter groups received via the upper layer signaling so as to decode the downlink data channel.

Abstract translation: 根据本公开的一个实施例的用于在无线通信系统中的用户设备接收下行链路信号的方法包括：经由上层信令或下行链路控制信道接收与半永久调度相关的控制信息的步骤; 以及基于与半永久调度相关的控制信息来解码半永久调度下行链路数据信道的步骤。 该方法可以包括：如果经由下行链路控制信道接收的下行链路控制信息具有第一下行链路控制信息（DCI）格式，则经由上层信令所接收的候选参数组中的预定第一参数组， 解码下行链路数据信道; 以及如果经由下行链路控制信道接收到的下行链路控制信息具有第二DCI格式，则使用由经由上层信令接收的候选参数组中的下行链路控制信息指示的第二参数组，以解码 下行数据通道。

公开(公告)号：US20150181624A1

公开(公告)日：2015-06-25

申请号：US14408909

申请日：2013-06-12

Applicant: LG ELECTRONICS INC.

Inventor： Daesung Hwang ,  Hakseong Kim ,  Suckchel Yang ,  Seungmin Lee ,  Hyangsun You ,  Yunjung Yi ,  Dongyoun Seo ,  Hanbyul Seo

IPC: H04W74/08 ,  H04W36/00

CPC classification number: H04W74/0841 ,  H04L5/0007 ,  H04L5/0053 ,  H04W36/0005 ,  H04W36/0077 ,  H04W74/002

Abstract: The present invention relates to a method for random access to a small cell by means of a terminal. The method can include the steps of: receiving a plurality of settings for a random access preamble; selecting one of the plurality of settings; and transmitting the random access preamble according to the one selected setting. Here, a resource on which the random access preamble can be transmitted can be provided in plurality in one subframe, and the preamble transmitted on each resource is distinguishable.

Abstract translation: 本发明涉及通过终端随机接入小小区的方法。 该方法可以包括以下步骤：接收随机接入前同步码的多个设置; 选择所述多个设置中的一个; 以及根据所选择的一个设置发送随机接入前同步码。 这里，可以在一个子帧中多个地提供其上可以发送随机接入前导码的资源，并且在每个资源上发送的前导码是可区分的。

公开(公告)号：US20150180616A1

公开(公告)日：2015-06-25

申请号：US14409336

申请日：2013-07-05

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hanbyul Seo ,  Hakseong Kim ,  Inkwon Seo

IPC: H04L1/18 ,  H04W72/04

CPC classification number: H04L1/1861 ,  H04L1/1812 ,  H04L1/1835 ,  H04L5/0055 ,  H04W72/042 ,  H04W72/048

Abstract: A method for a terminal transmitting/receiving a signal with device-to-device (D2D) on the basis of a hybrid automatic repeat and request (HARQ) in a wireless communication system, comprises the steps of: receiving allocation information for establishing a wireless resource for a specific HARQ process from at least one first HARQ process as a wireless resource for a second HARQ process; and transmitting/receiving the signal with an external terminal by using the wireless resource of the second HARQ process, wherein a soft buffer, which is linked to the second HARQ process, is a reestablished soft buffer that is linked to the at least one HARQ process, in accordance with the allocation information.

Abstract translation: 一种用于在无线通信系统中基于混合自动重传和请求（HARQ）的装置到设备（D2D）发送/接收信号的方法，包括以下步骤：接收用于建立无线的分配信息 来自至少一个第一HARQ进程的特定HARQ进程的资源作为用于第二HARQ进程的无线资源; 以及通过使用所述第二HARQ进程的无线资源，用外部终端发送/接收所述信号，其中链接到所述第二HARQ进程的软缓冲器是链接到所述至少一个HARQ进程的重新建立的软缓冲器 ，按照分配信息。

公开(公告)号：US20150163790A1

公开(公告)日：2015-06-11

申请号：US14412121

申请日：2013-07-12

Applicant: LG Electronics Inc.

Inventor： Jihyun Lee ,  Suckchel Yang ,  Seungmin Lee ,  Hakseong Kim ,  Hanbyul Seo

IPC: H04W72/04 ,  H04L1/18 ,  H04W76/02 ,  H04L5/00

CPC classification number: H04W72/048 ,  H04L1/0025 ,  H04L1/1812 ,  H04L1/1822 ,  H04L1/1893 ,  H04L1/1896 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0055 ,  H04W72/0406 ,  H04W76/14

Abstract: One embodiment of the present invention discloses a method for transmitting a control signal for device-to-device (D2D) communication with a second terminal by a first terminal in a wireless communication system, wherein the method is carried out by the first terminal and comprises the steps of: mapping control information for the D2D communication to a resource region for the D2D communication; and transmitting, to the second terminal, the mapped control information for the D2D communication with data for the D2D communication, wherein the control information for the D2D communication includes modulation and coding scheme (MCS) related information and hybrid automatic retransmission request (HARQ) related information, and the control information for the D2D communication can be mapped to at least one symbol except for symbol(s) to which a reference signal is mapped.

Abstract translation: 本发明的一个实施例公开了一种用于在无线通信系统中由第一终端发送与第二终端的设备到设备（D2D）通信的控制信号的方法，其中该方法由第一终端执行，并且包括 步骤：将用于D2D通信的控制信息映射到用于D2D通信的资源区域; 并且向D2D通信的数据发送D2D通信的映射控制信息，其中D2D通信的控制信息包括调制和编码方案（MCS）相关信息和混合自动重发请求（HARQ）相关 信息，并且用于D2D通信的控制信息可以被映射到除了参考信号映射到的符号之外的至少一个符号。

公开(公告)号：US20150124729A1

公开(公告)日：2015-05-07

申请号：US14401012

申请日：2013-05-23

Applicant: LG ELECTRONICS INC.

Inventor： Seungmin Lee ,  Hakseong Kim ,  Hanbyul Seo

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0094 ,  H04L5/1469 ,  H04L27/2607 ,  H04W24/00

Abstract: The present invention relates to a method for receiving a downlink control channel by means of a terminal in a wireless communication system and to an apparatus for same. More specifically, the present invention relates to a method for detecting downlink control information by means of a terminal in a wireless communication system that supports carrier aggregation, the method comprising: a step of receiving resource region information for an enhanced physical downlink control channel (EPDCCH) from a base station; a step of constructing at least one resource block as a search space for EPDCCH monitoring based on the resource region information; and a step of monitoring the search space to detect downlink control information. The resource region information is a resource region configuration based on cells to be cross-carrier scheduled.

Abstract translation: 本发明涉及一种通过无线通信系统中的终端接收下行链路控制信道的方法及其装置。 更具体地说，本发明涉及一种在支持载波聚合的无线通信系统中通过终端检测下行链路控制信息的方法，所述方法包括：接收用于增强物理下行链路控制信道（EPDCCH）的资源区域信息的步骤 ）从基站 基于所述资源区域信息，构建至少一个资源块作为用于EPDCCH监视的搜索空间的步骤; 以及监视搜索空间以检测下行链路控制信息的步骤。 资源区域信息是基于要进行跨载波调度的信元的资源区域配置。